Approaches to polymeric nonlinear optical materials. Theoretical and synthetic design strategies

D. Li, N. Minami, Mark A Ratner, C. Ye, Tobin J Marks, J. Yang, G. K. Wong

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Two aspects of the rational construction of polymeric frequency doubling materials are described. First, a computationally effecient SCF-LCAO MECI π-electron theoretical approach has been developed to aid in chromophore design and to better understand molecular electronic structure/architectural features which give rise to high quadratic molecular optical nonlinearities (β). Selected high-β chromophores are then covalently linked via several synthetic procedures to robust, glassy, film-forming chloromethylated or hydroxylated polystyrenes. By this procedure, it is possible to achieve very high chromophore densities in polymeric films with good optical transparency and chemical stability characteristics. Coating of these polymers onto conductive glass, followed by electric field poling near Tg yields robust films with high persistent SHG efficiencies. As an example, films of poly(p-hydroxystyrene) functionalized with N-(4-nitrophenyl)-L-prolinol exhibit d33 as high as 18 × 10-9 esu at 1.06 μm (16 times the corresponding value for KDP).

Original languageEnglish
JournalSynthetic Metals
Volume28
Issue number3
DOIs
Publication statusPublished - Feb 20 1989

Fingerprint

Optical materials
optical materials
Chromophores
chromophores
Molecular electronics
polymeric films
molecular electronics
Polystyrenes
Chemical stability
Polymer films
Transparency
Molecular structure
Electronic structure
self consistent fields
polystyrene
Polymers
nonlinearity
Electric fields
electronic structure
coatings

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Approaches to polymeric nonlinear optical materials. Theoretical and synthetic design strategies. / Li, D.; Minami, N.; Ratner, Mark A; Ye, C.; Marks, Tobin J; Yang, J.; Wong, G. K.

In: Synthetic Metals, Vol. 28, No. 3, 20.02.1989.

Research output: Contribution to journalArticle

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